David Schwarze writes:
> 
> Thom Fitzpatrick writes:
> > 
> > 	Then the wierdness (and this was happening before I rebuilt the carb)
> > As the engine gets warm, the bus loses power.  I took off nice and strong,
> > and by the time I got 1/2 mile or so, it was already getting weak.   By
> > weak I mean there is no power - I feel like I should get out and walk along 
> > side to make it easier on the bus!  It will take 5-10 seconds to get 
> > enough speed to go from 1st to 2nd gear, and when you get there, you kinda
> > wonder if you should'nt have bothered, as the engine just groans under the
> > strain.  7 year old kids on bikes are passing me!  No, REALLY!
> 
> Sounds like your exhaust might be plugged.  Kinda unusual on vehicles
> without catalytic converters, but it might be worth your time to check it
> out.  Loosen the connection between the heat exchangers and the muffler
> to create a sizeable exhaust leak, and take it fo.....

David S. How do you tell if your cat is plugged? Is there a simple
test? Do the chemicals designed to clean 'em out work? How long before
they fail? Curious - DC>